margin

US /ˈmɑːr.dʒɪn/
UK /ˈmɑːr.dʒɪn/
"margin" picture
1.

the edge or border of something

:
Write your notes in the margin of the page.
The house stood on the margin of the forest.
2.

the difference between the value of sales and the cost of making and selling the products

:
The company operates on a very small profit margin.
They need to increase their gross margin to stay competitive.
3.

the amount by which one thing is greater or less than another

:
They won the election by a narrow margin.
There's a wide margin for error in this calculation.
1.

to provide with a margin

:
The editor asked me to margin the document properly.
You should margin your essay before printing.